<!-- 封装按钮，点击返回上一级页面 -->
<template>
    <el-button @click="goBack" type="success">
      <slot>返回</slot>
    </el-button>
  </template>
  
  <script lang="ts" setup>
  import { useRouter } from 'vue-router';
  let router = useRouter();
  /// 返回上一页
  const goBack = () => {
    router.back();
  };
  </script>
  
  <style scoped></style>
  
  